Dual pen holder



FIG. 1 is a top plan view of a dual pen holder embodying my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end elevational view as seen from the _left side of FIG. 1;

FIG. 5 is a cross sectional view taken on line 5--5 of FIG. 2;

FIG. 6 is a cross sectional view taken on line 6--6 of FIG. 4. 

The ornamental design for a dual pen holder, substantially as shown and described. 